﻿<!DOCTYPE html>
<html lang="en">
<head>
    <title id='Description'>jqxChart Spline Series Example</title>
    <link rel="stylesheet" href="../../jqwidgets/styles/jqx.base.css" type="text/css" />
    <script type="text/javascript" src="../../scripts/jquery-1.11.1.min.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxcore.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxdata.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxdraw.js"></script>
    <script type="text/javascript" src="../../jqwidgets/jqxchart.core.js"></script>
    <script type="text/javascript">
        $(document).ready(function () {
            // prepare the data
            var source =
            {
                datatype: "tab",
                datafields: [
                    { name: 'Year' },
                    { name: 'HPI' },
                    { name: 'BuildCost' },
                    { name: 'Population' },
                    { name: 'Rate' }
                ],
                url: '../sampledata/homeprices.txt'
            };

            var dataAdapter = new $.jqx.dataAdapter(source, { async: false, autoBind: true, loadError: function (xhr, status, error) { alert('Error loading "' + source.url + '" : ' + error); } });

            // prepare jqxChart settings
            var settings = {
                title: "U.S. Historical Home Prices (1950-2011)",
                description: "Source: http://www.econ.yale.edu/~shiller/data.htm",
                enableAnimations: true,
                showLegend: true,
                padding: { left: 5, top: 5, right: 25, bottom: 5 },
                titlePadding: { left: 90, top: 0, right: 0, bottom: 10 },
                source: dataAdapter,
                xAxis: {
                    dataField: 'Year',
                    minValue: 1947,
                    maxValue: 2012,
                    unitInterval: 5,
                    tickMarks: {
                        visible: true,
                        interval: 1
                    },
                    gridLines: {
                        visible: true,
                        interval: 5
                    }
                },
                colorScheme: 'scheme04',
                seriesGroups:
                    [
                        {
                            type: 'line',
                            valueAxis:
                            {
                                unitInterval: 10,
                                padding: { left: 10 },
                                title: { text: 'U.S. Population (millions)<br>' },
                                gridLines: { visible: false }
                            },
                            series: [
                                    { dataField: 'Population', displayText: 'Population' }
                                ]
                        },
                        {
                            type: 'spline',
                            valueAxis:
                            {
                                unitInterval: 1,
                                visible: false
                            },
                            series: [
                                    { dataField: 'Rate', displayText: 'Interest Rate' }
                                ]
                        },
                        {
                            type: 'spline',
                            valueAxis:
                            {
                                unitInterval: 20,                                
                                title: { text: 'Index Value<br>' },
                                labels: {
                                    horizontalAlignment: 'right',
                                    formatSettings: { decimalPlaces: 0 }
                                }
                            },
                            series: [
                                    { dataField: 'HPI', displayText: 'Real Home Price Index' },
                                    { dataField: 'BuildCost', displayText: 'Building Cost Index' }
                                ]
                        }
                    ]
            };

            // setup the chart
            $('#chartContainer').jqxChart(settings);

        });
    </script>
</head>
<body class='default'>
    <div id='chartContainer' style="width:850px; height:500px">
    </div>
</body>
</html>
